20074770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 54000000

約数和(自身を除く): 33925230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 149, 270, 298, 447, 499, 745, 894, 998, 1341, 1490, 1497, 2235, 2495, 2682, 2994, 4023, 4470, 4491, 4990, 6705, 7485, 8046, 8982, 13410, 13473, 14970, 20115, 22455, 26946, 40230, 44910, 67365, 74351, 134730, 148702, 223053, 371755, 446106, 669159, 743510, 1115265, 1338318, 2007477, 2230530, 3345795, 4014954, 6691590, 10037385, 20074770]

約数ペア:

[(1, 20074770), (2, 10037385), (3, 6691590), (5, 4014954), (6, 3345795), (9, 2230530), (10, 2007477), (15, 1338318), (18, 1115265), (27, 743510), (30, 669159), (45, 446106), (54, 371755), (90, 223053), (135, 148702), (149, 134730), (270, 74351), (298, 67365), (447, 44910), (499, 40230), (745, 26946), (894, 22455), (998, 20115), (1341, 14970), (1490, 13473), (1497, 13410), (2235, 8982), (2495, 8046), (2682, 7485), (2994, 6705), (4023, 4990), (4470, 4491)]